217
FZNT31 KNHC 161513
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1113 AM EDT SAT AUG 16 2025
MARINE WEATHER HF VOICE BROADCAST FOR THE TROPICAL N ATLANTIC
FROM 07N TO 19N W OF 55W, THE N ATLANTIC FROM 19N TO
31N W OF 55W INCLUDING THE BAHAMAS, AND THE CARIBBEAN SEA.
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM
07N TO 19N W OF 55W
SYNOPSIS
MAJOR HURRICANE ERIN IS NEAR 19.7N 62.8W AT 11 AM
EDT, AND IS MOVING WEST AT 15 KT. MAXIMUM SUSTAINED WINDS ARE
135 KT WITH GUSTS TO 165 KT, AND THE MINIMUM CENTRAL PRESSURE IS
923 MB. ERIN WILL MOVE TO NEAR 20.1N 64.7W THIS EVENING WITH
MAXIMUM SUSTAINED WINDS 145 KT GUSTS 175 KT, TO NEAR 21.0N 66.8W
SUN MORNING, AND CONTINUE TO SLOWLY WEAKEN AS IT MOVES TO NEAR
22.3N 68.5W SUN EVENING WITH MAXIMUM SUSTAINED WINDS 135 KT
GUSTS 165 KT, THEN MOVE TO NEAR 23.5N 69.7W MON MORNING, TO NEAR
24.9N 70.4W MON EVENING WITH MAXIMUM SUSTAINED WINDS 125 KT
GUSTS 150 KT AND TO NEAR 26.4N 70.9W TUE MORNING. ON THE
FORECAST TRACK, THE CENTER OF ERIN IS EXPECTED TO MOVE JUST
NORTH OF THE NORTHERN LEEWARD ISLANDS, THE VIRGIN ISLANDS, AND
PUERTO RICO OVER THE WEEKEND. SWELLS GENERATED BY ERIN WILL
AFFECT PORTIONS OF THE NORTHERN LEEWARD ISLANDS, THE VIRGIN
ISLANDS, PUERTO RICO, HISPANIOLA, AND THE TURKS AND CAICOS
ISLANDS THROUGH THE WEEKEND. MODERATE TO FRESH SOUTHERLY WINDS
OVER THE EASTERN AND NORTH- CENTRAL CARIBBEAN WILL DIMINISH TO
GENTLE TO MODERATE SPEEDS ON MON AS ERIN MOVE FARTHER AWAY
ACROSS THE CENTRAL BAHAMAS OFFSHORE WATERS.
NW CARIBBEAN W OF 85W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
WED
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 3 FT.
TONIGHT
S OF 18N, NE WINDS 10 TO 15 KT, DIMINISHING TO LESS
THAN 10 KT AFTER MIDNIGHT. ELSEWHERE, NE WINDS 10 TO 20 KT. SEAS
3 FT IN THE EVENING, SUBSIDING TO 2 FT OR LESS.
SUN
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
MON
S OF 18N, W WINDS LESS THAN 10 KT. ELSEWHERE, NE WINDS
10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON.
SEAS 2 FT OR LESS.
MON NIGHT
NW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
S WINDS LESS THAN 10 KT S OF 18N, AND W 10 TO 15 KT
ELSEWHERE. SEAS 2 FT OR LESS.
TUE NIGHT
SE WINDS LESS THAN 10 KT S OF 18N, AND SW 10 TO
15 KT ELSEWHERE. SEAS 2 FT OR LESS.
WED
S OF 18N, SE WINDS 10 TO 15 KT. ELSEWHERE, SW WINDS 10 TO
15 KT, DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS
2 FT OR LESS.
CARIBBEAN FROM 11N TO 15N W OF 72W
THIS AFTERNOON
WITHIN 90 NM OF COAST OF COLOMBIA, S WINDS
10 TO 15 KT. ELSEWHERE, E WINDS LESS THAN 10 KT, INCREASING TO
10 TO 15 KT IN THE AFTERNOON. SEAS 3 TO 4 FT.
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
NE WINDS 10 TO 15 KT, SHIFTING TO NW IN THE AFTERNOON.
SEAS 3 FT.
SUN NIGHT
NW WINDS LESS THAN 10 KT. SEAS 3 FT.
MON
SW WINDS 10 TO 15 KT. SEAS 3 FT.
MON NIGHT
W WINDS LESS THAN 10 KT, SHIFTING TO NE AFTER
MIDNIGHT. SEAS 2 FT OR LESS.
TUE
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE NIGHT
WITHIN 90 NM OF COAST OF COLOMBIA, NE WINDS LESS
THAN 10 KT, SHIFTING TO E AFTER MIDNIGHT. ELSEWHERE, E WINDS
10 TO 15 KT. SEAS 2 FT OR LESS.
WED
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SW CARIBBEAN S OF 11N
THIS AFTERNOON
W WINDS 10 TO 15 KT. SEAS 3 FT.
TONIGHT
NW WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 FT.
SUN
W WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,
SUBSIDING TO 2 FT OR LESS.
SUN NIGHT
W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
SW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
MON NIGHT
NW WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
WED
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN BETWEEN 64W AND 72W
THIS AFTERNOON
GULF OF VENEZUELA, VARIABLE WINDS LESS THAN
10 KT, BECOMING SW LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE,
SE WINDS 10 TO 20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
3 TO 4 FT ELSEWHERE.
TONIGHT
GULF OF VENEZUELA, NE WINDS LESS THAN 10 KT.
ELSEWHERE, N WINDS 10 TO 20 KT, SHIFTING TO SW AFTER MIDNIGHT.
SEAS 3 FT.
SUN
GULF OF VENEZUELA, VARIABLE WINDS LESS THAN 10 KT,
BECOMING W LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS
10 TO 20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO 4 FT
ELSEWHERE.
SUN NIGHT
GULF OF VENEZUELA, N WINDS LESS THAN 10 KT IN THE
EVENING, BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, S
WINDS 10 TO 20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO
4 FT ELSEWHERE.
MON
GULF OF VENEZUELA, VARIABLE WINDS LESS THAN 10 KT,
BECOMING NW LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, S WINDS
10 TO 20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO 4 FT
ELSEWHERE.
MON NIGHT
SE WINDS 10 TO 20 KT. SEAS 3 FT.
TUE
NE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE 10 TO
15 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 FT
ELSEWHERE.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS GULF OF
VENEZUELA, AND 3 FT ELSEWHERE.
WED
E WINDS 10 TO 15 KT. SEAS 3 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
THIS AFTERNOON
TROPICAL STORM CONDITIONS POSSIBLE. S WINDS
20 TO 30 KT. SEAS 8 TO 11 FT.
TONIGHT
S WINDS 20 TO 30 KT. SEAS 6 TO 9 FT.
SUN
SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
SUN NIGHT
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
THIS AFTERNOON
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
MAJOR HURRICANE ERIN IS NEAR 19.7N 62.8W AT 11 AM
EDT, AND IS MOVING WEST AT 15 KT. MAXIMUM SUSTAINED WINDS ARE
135 KT WITH GUSTS TO 165 KT, AND THE MINIMUM CENTRAL PRESSURE IS
923 MB. ERIN WILL MOVE TO NEAR 20.1N 64.7W THIS EVENING WITH
MAXIMUM SUSTAINED WINDS 145 KT GUSTS 175 KT, TO NEAR 21.0N 66.8W
SUN MORNING, AND CONTINUE TO SLOWLY WEAKEN AS IT MOVES TO NEAR
22.3N 68.5W SUN EVENING WITH MAXIMUM SUSTAINED WINDS 135 KT
GUSTS 165 KT, THEN MOVE TO NEAR 23.5N 69.7W MON MORNING, TO NEAR
24.9N 70.4W MON EVENING WITH MAXIMUM SUSTAINED WINDS 125 KT
GUSTS 150 KT AND TO NEAR 26.4N 70.9W TUE MORNING. ERIN IS
FORECAST TO CHANGE LITTLE IN INTENSITY AS IT MOVES TO NEAR 30.6N
70.9W EARLY ON WED, THEN CONTINUE TO WEAKEN LATER ON WED AS IT
LIFTS WELL NORTH OF 31N. SWELLS GENERATED BY ERIN WILL AFFECT
PORTIONS OF THE NORTHERN LEEWARD ISLANDS, THE VIRGIN ISLANDS,
PUERTO RICO, HISPANIOLA, AND THE TURKS AND CAICOS ISLANDS THROUGH
THE WEEKEND. THESE SWELLS WILL SPREAD TO THE BAHAMAS, BERMUDA,
AND THE EAST COAST OF THE UNITED STATES EARLY NEXT WEEK.
OTHERWISE, HIGH PRESSURE WILL RIDGING WILL BEGIN TO RIDGE
SOUTHWARD OFF THE SOUTHEAST U.S. ON SUN. THE GRADIENT BETWEEN THE
RIDGE AND ERIN WILL PROMOTE MODERATE TO FRESH NORTH TO NORTHEAST
OFFSHORE NORTHERN FLORIDA BEGINNING MON.
ATLC WATERS FROM 27N TO 31N W OF 77W
THIS AFTERNOON
NW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN
NW WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 8 TO 11 FT.
TUE
N WINDS 10 TO 20 KT. SEAS 9 TO 12 FT.
TUE NIGHT
N WINDS 10 TO 20 KT. SEAS 9 TO 13 FT.
WED
N WINDS 10 TO 20 KT. SEAS 9 TO 13 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT W OF 70W, AND
4 TO 6 FT ELSEWHERE.
SUN
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT W OF 70W, AND 7 TO
10 FT ELSEWHERE.
SUN NIGHT
N WINDS 10 TO 20 KT W OF 70W, AND SE 15 TO 25 KT
ELSEWHERE. SEAS 7 TO 10 FT.
MON
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 20 TO 30 KT
W OF 70W, AND SE 20 TO 30 KT ELSEWHERE. SEAS 9 TO 14 FT.
MON NIGHT
HURRICANE CONDITIONS POSSIBLE.
TUE
HURRICANE CONDITIONS POSSIBLE.
TUE NIGHT
HURRICANE CONDITIONS POSSIBLE.
WED
HURRICANE CONDITIONS POSSIBLE.
BAHAMAS N OF 22N
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO 3 FT
IN THE AFTERNOON.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
N WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
MON NIGHT
NW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
TUE
NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE NIGHT
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
..HURRICANE WARNING
THIS AFTERNOON
NE WINDS 10 TO 15 KT W OF 70W, AND NE 20 TO
30 KT ELSEWHERE. SEAS 3 TO 5 FT W OF 70W, AND 6 TO 8 FT
ELSEWHERE.
TONIGHT
TROPICAL STORM CONDITIONS EXPECTED. W OF 70W, NE
WINDS 10 TO 20 KT, SEAS 4 TO 6 FT. ELSEWHERE, NE WINDS 20 TO
30 KT, INCREASING TO 30 TO 40 KT AFTER MIDNIGHT,SEAS 7 TO 10 FT,
BUILDING TO 10 TO 15 FT AFTER MIDNIGHT.
SUN
TROPICAL STORM CONDITIONS EXPECTED. W OF 70W, NE WINDS
10 TO 20 KT, INCREASING TO 20 TO 30 KT IN THE AFTERNOON,SEAS
5 TO 7 FT, BUILDING TO 7 TO 10 FT IN THE AFTERNOON. ELSEWHERE, E
WINDS 35 TO 45 KT, INCREASING TO 60 TO 70 KT IN THE
AFTERNOON,SEAS 13 TO 18 FT, BUILDING TO 17 TO 22 FT IN THE
AFTERNOON.
SUN NIGHT
HURRICANE CONDITIONS EXPECTED. W OF 70W, N WINDS
25 TO 35 KT, INCREASING TO 40 TO 50 KT AFTER MIDNIGHT,SEAS 10 TO
15 FT, BUILDING TO 13 TO 18 FT AFTER MIDNIGHT. ELSEWHERE, E
WINDS 105 TO 125 KT, SEAS 18 TO 28 FT.
MON
HURRICANE CONDITIONS POSSIBLE. W OF 70W, N WINDS 70 TO
80 KT, INCREASING TO 95 TO 115 KT IN THE AFTERNOON,SEAS 15 TO
20 FT, BUILDING TO 17 TO 27 FT IN THE AFTERNOON. ELSEWHERE, SE
WINDS 105 TO 125 KT, SEAS 18 TO 28 FT.
MON NIGHT
HURRICANE CONDITIONS POSSIBLE.
TUE
HURRICANE CONDITIONS POSSIBLE.
TUE NIGHT
HURRICANE CONDITIONS POSSIBLE.
WED
TROPICAL STORM CONDITIONS POSSIBLE.
ATLC WATERS S OF 22N W OF 65W
..HURRICANE WARNING
THIS AFTERNOON
HURRICANE CONDITIONS POSSIBLE. NE WINDS 20 TO
30 KT. SEAS 6 TO 8 FT.
TONIGHT
HURRICANE CONDITIONS EXPECTED. N WINDS 45 TO 55 KT,
INCREASING TO 110 TO 130 KT AFTER MIDNIGHT. SEAS 7 TO 10 FT,
BUILDING TO 11 TO 16 FT AFTER MIDNIGHT.
SUN
HURRICANE CONDITIONS EXPECTED. N WINDS 110 TO 130 KT,
BECOMING NW 95 TO 115 KT IN THE AFTERNOON. SEAS 16 TO 21 FT,
SUBSIDING TO 13 TO 18 FT IN THE AFTERNOON.
SUN NIGHT
TROPICAL STORM CONDITIONS EXPECTED. W WINDS 95 TO
115 KT, DIMINISHING TO 45 TO 55 KT AFTER MIDNIGHT. SEAS 10 TO
15 FT.
MON
TROPICAL STORM CONDITIONS POSSIBLE. SW WINDS 30 TO
40 KT, DIMINISHING TO 20 TO 30 KT IN THE AFTERNOON. SEAS 9 TO
14 FT.
MON NIGHT
SW WINDS 20 TO 30 KT. SEAS 7 TO 10 FT.
TUE
S WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
TUE NIGHT
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
..HURRICANE WARNING
THIS AFTERNOON
HURRICANE CONDITIONS. SE WINDS 100 TO 120 KT.
SEAS 13 TO 18 FT.
TONIGHT
HURRICANE CONDITIONS EXPECTED. SE WINDS 100 TO
120 KT, DIMINISHING TO 70 TO 80 KT AFTER MIDNIGHT. SEAS 11 TO
16 FT.
SUN
TROPICAL STORM CONDITIONS EXPECTED. SE WINDS 30 TO
40 KT, DIMINISHING TO 20 TO 30 KT IN THE AFTERNOON. SEAS 8 TO
13 FT.
SUN NIGHT
SE WINDS 20 TO 30 KT. SEAS 7 TO 10 FT.
MON
SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
MON NIGHT
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page